.error-wrapper  {
    position: relative;
    height: 100%;

    .inner {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 300px;
        height: 230px;
        margin: -115px 0 0 -150px;
        text-align: center;
    }
    h1 {
        font-size: 100px;
        color: #999;
    }

    p {
        font-size: 30px;
    }
}